n. In architecture: A small convex molding cut into the form of a string of beads, used in classical architecture, especially in connection with the egg-and-dart molding and between the faces of different projection of Ionic and Corinthian epistyle and coffering beams. A small plain convex molding, usually with a fillet beneath it, sometimes between two fillets, used between the capital and the shaft of classic orders, except the Greek Doric, and in many other positions in classic, medieval, and later styles. See cut under column. Also called bead.n. A convex molding encircling a cannon near the mouth: not present on modern guns.n. In carpentry, one of the rabbeted bars which hold the panes of a window.n. In anatomy, the astragalus.n. The game of knuckle-bones; knuckle-downs.